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1 #ifndef DWT_H
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2 #define DWT_H
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3
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4 #include "wm.h"
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5 #include "pgm.h"
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6 #include "wavelet.h"
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7
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8 #define FILTERG 1
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9 #define FILTERH 2
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10 #define FILTERGi 3
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11 #define FILTERHi 4
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12
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13 void init_dwt(int cols, int rows, const char *filter_name, int filter, int level, int method);
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14 Image_tree fdwt(gray **input);
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15 Image_tree fdwt_wp(gray **input);
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16 void idwt(Image_tree dwts, gray **output);
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17 void idwt_wp(Image_tree dwts, gray **output);
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18 int gen_pollen_filter(double *filter, double alpha, double beta, int which);
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19 void dwt_pollen_filter(double alpha, double beta);
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20 int gen_param_filter(double *filter, int n, double alpha[], int which);
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3
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21 void dwt_param_filter(double alpha[], int param_len[]);
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22 void done_dwt();
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23
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24 #endif
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